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LM2904: 产品运放波形自激

Part Number: LM2904

HI

请教下:使用LM2904DR -墨西哥-产地时生产出现超过10%产品长亮,长亮的产品运放波形自激了,自激的产品重新换回-马来西亚-产地的就可以使用。

请帮忙分析下-墨西哥-产地的为什么会出现不稳定,有过类似同样情况出现吗?

提前感谢您的回复和解答!